diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/SemaCXX/constructor-initializer.cpp | 9 | ||||
-rw-r--r-- | test/SemaCXX/uninitialized.cpp | 86 |
2 files changed, 89 insertions, 6 deletions
diff --git a/test/SemaCXX/constructor-initializer.cpp b/test/SemaCXX/constructor-initializer.cpp index e8b7f0b676..1a4e54444f 100644 --- a/test/SemaCXX/constructor-initializer.cpp +++ b/test/SemaCXX/constructor-initializer.cpp @@ -126,21 +126,24 @@ struct Q { // A silly class used to demonstrate field-is-uninitialized in constructors with // multiple params. +int IntParam(int i) { return 0; }; class TwoInOne { public: TwoInOne(TwoInOne a, TwoInOne b) {} }; class InitializeUsingSelfTest { bool A; char* B; int C; TwoInOne D; - InitializeUsingSelfTest(int E) + int E; + InitializeUsingSelfTest(int F) : A(A), // expected-warning {{field is uninitialized when used here}} B((((B)))), // expected-warning {{field is uninitialized when used here}} C(A && InitializeUsingSelfTest::C), // expected-warning {{field is uninitialized when used here}} D(D, // expected-warning {{field is uninitialized when used here}} - D) {} // expected-warning {{field is uninitialized when used here}} + D), // expected-warning {{field is uninitialized when used here}} + E(IntParam(E)) {} // expected-warning {{field is uninitialized when used here}} }; -int IntWrapper(int i) { return 0; }; +int IntWrapper(int &i) { return 0; }; class InitializeUsingSelfExceptions { int A; int B; diff --git a/test/SemaCXX/uninitialized.cpp b/test/SemaCXX/uninitialized.cpp index 91bf42d74c..b15779443d 100644 --- a/test/SemaCXX/uninitialized.cpp +++ b/test/SemaCXX/uninitialized.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -fsyntax-only -Wall -Wuninitialized -std=c++11 -verify %s +// RUN: %clang_cc1 -fsyntax-only -Wall -Wuninitialized -Wno-unused-value -std=c++11 -verify %s int foo(int x); int bar(int* x); @@ -152,9 +152,9 @@ struct S { S(bool (*)[1]) : x(x) {} // expected-warning {{field is uninitialized when used here}} S(bool (*)[2]) : x(x + 1) {} // expected-warning {{field is uninitialized when used here}} - S(bool (*)[3]) : x(x + x) {} // expected-warning {{field is uninitialized when used here}} + S(bool (*)[3]) : x(x + x) {} // expected-warning 2{{field is uninitialized when used here}} S(bool (*)[4]) : x(static_cast<long>(x) + 1) {} // expected-warning {{field is uninitialized when used here}} - S(bool (*)[5]) : x(foo(x)) {} // FIXME: This should warn! + S(bool (*)[5]) : x(foo(x)) {} // expected-warning {{field is uninitialized when used here}} // These don't actually require the value of x and so shouldn't warn. S(char (*)[1]) : x(sizeof(x)) {} // rdar://8610363 @@ -213,3 +213,83 @@ int test_lambda() { auto f1 = [] (int x, int y) { int z; return x + y + z; }; // expected-warning{{variable 'z' is uninitialized when used here}} expected-note {{initialize the variable 'z' to silence this warning}} return f1(1, 2); } + +namespace { + struct A { + enum { A1 }; + static int A2() {return 5;} + int A3; + int A4() { return 5;} + }; + + struct B { + A a; + }; + + struct C { + C() {} + C(int x) {} + static A a; + B b; + }; + A C::a = A(); + + // Accessing non-static members will give a warning. + struct D { + C c; + D(char (*)[1]) : c(c.b.a.A1) {} + D(char (*)[2]) : c(c.b.a.A2()) {} + D(char (*)[3]) : c(c.b.a.A3) {} // expected-warning {{field is uninitialized when used here}} + D(char (*)[4]) : c(c.b.a.A4()) {} // expected-warning {{field is uninitialized when used here}} + + // c::a is static, so it is already initialized + D(char (*)[5]) : c(c.a.A1) {} + D(char (*)[6]) : c(c.a.A2()) {} + D(char (*)[7]) : c(c.a.A3) {} + D(char (*)[8]) : c(c.a.A4()) {} + }; + + struct E { + int a, b, c; + E(char (*)[1]) : a(a ? b : c) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[2]) : a(b ? a : a) {} // expected-warning 2{{field is uninitialized when used here}} + E(char (*)[3]) : a(b ? (a) : c) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[4]) : a(b ? c : (a+c)) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[5]) : a(b ? c : b) {} + + E(char (*)[6]) : a(a ?: a) {} // expected-warning 2{{field is uninitialized when used here}} + E(char (*)[7]) : a(b ?: a) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[8]) : a(a ?: c) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[9]) : a(b ?: c) {} + + E(char (*)[10]) : a((a, a, b)) {} + E(char (*)[11]) : a((c + a, a + 1, b)) {} // expected-warning 2{{field is uninitialized when used here}} + E(char (*)[12]) : a((b + c, c, a)) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[13]) : a((a, a, a, a)) {} // expected-warning {{field is uninitialized when used here}} + E(char (*)[14]) : a((b, c, c)) {} + }; + + struct F { + int a; + F* f; + F(int) {} + F() {} + }; + + int F::*ptr = &F::a; + F* F::*f_ptr = &F::f; + struct G { + F f1, f2; + F *f3, *f4; + G(char (*)[1]) : f1(f1) {} // expected-warning {{field is uninitialized when used here}} + G(char (*)[2]) : f2(f1) {} + G(char (*)[3]) : f2(F()) {} + + G(char (*)[4]) : f1(f1.*ptr) {} // expected-warning {{field is uninitialized when used here}} + G(char (*)[5]) : f2(f1.*ptr) {} + + G(char (*)[6]) : f3(f3) {} // expected-warning {{field is uninitialized when used here}} + G(char (*)[7]) : f3(f3->*f_ptr) {} // expected-warning {{field is uninitialized when used here}} + G(char (*)[8]) : f3(new F(f3->*ptr)) {} // expected-warning {{field is uninitialized when used here}} + }; +} |